Home / 693,159.60-1,039,739.40-393,524.40

Finding the Fourth Proportional to 693,159.60, 1,039,739.40 and 393,524.40

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Solution

The fourth proportional to 693,159.60, 1,039,739.40 and 393,524.40 is: 590,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,159.60 : 1,039,739.40 = 393,524.40 : x
  2. Step 2: Convert to fraction form
    693,159.60/1,039,739.40 = 393,524.40/x
  3. Step 3: Cross multiply
    693,159.60x = 1,039,739.40 × 393,524.40
  4. Step 4: Simplify right side
    693,159.60x = 409,162,823,541.36
  5. Step 5: Solve for x
    x = 409,162,823,541.36/693,159.60
  6. Step 6: Final answer
    x = 590,286.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.